ANTH0CER08. 



351 



Anthoceros, PI. LXXV. E. 



1. Section of portion of a frond : young capsule more ad- 

 vanced. 



2. Do. more advanced. Dislocated tissue has now as- 

 sumed the form of a cap. 



3. Cap, more of do. the beak of the funnel-shaped mem- 

 brane is seen included \ to the base of this, granules are 

 seen attached. 



4. Section at a stage less advanced than no. 3, carried 

 through the young capsule and its bulbous base, .granu- 

 les are seen adhering to the membrane. 



5. Apex of a convexity shewing that the cells contain no 

 green parenchyma and are tinged with brown. 



6. Portion of superficial cellular tissue. 



7. Section of a frond carried through two antheriferous 

 cavities. 



8. Anthers at a very early period. 



9. Mature do. before dehiscence, viewed as a transparent 

 object. 



11. Anther some time after dehiscence, the yellow colour 

 disappears. 



12. Section of a frond shewing the situation of the gemmae. 



Drawing of a Marchantiaceous Plant, 

 Marchantiaceas PI. LXIX. C. 



1. Entire frond, considerably enlarged shewing the sto- 

 niata, which correspond with the divisions marked out on the 

 upper surface of the frond. Those towards the base being 

 much the largest. 



2. Stoma and surounding portion of the frond, viewed 

 opaquely. 



3. Longitudinal section of a portion of a frond, 



